CN106450123A - Connecting structure for vehicle-mounted power battery - Google Patents
Connecting structure for vehicle-mounted power battery Download PDFInfo
- Publication number
- CN106450123A CN106450123A CN201611030444.5A CN201611030444A CN106450123A CN 106450123 A CN106450123 A CN 106450123A CN 201611030444 A CN201611030444 A CN 201611030444A CN 106450123 A CN106450123 A CN 106450123A
- Authority
- CN
- China
- Prior art keywords
- conductive
- core
- sleeve
- vehicle
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 41
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
- H01R4/4872—Coil spring axially compressed to retain wire end
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a connecting structure for a vehicle-mounted power battery. The connecting structure comprises a conductive sleeve and a conductive core, wherein the conductive sleeve is internally provided with one or more elastic conducting parts; the conductive core comprises a core tube and a conductive core body arranged in the core tube; the core body is in separable sleeve connection with the conductive sleeve, and the core body is in contact with the elastic conducting parts during sleeving connection. Because of the elasticity of a conductive spring, the electric connection of two adjacent conductive cores is not influenced even the core body and the conductive spring generate relative slip in a bumpy environment; therefore, the phenomena such as power failure and fire striking are avoided, and the connection is reliable.
Description
Technical Field
The invention relates to an electric automobile accessory, in particular to a connecting structure for a vehicle-mounted power battery.
Background
The vehicle-mounted power battery of the existing electric automobile is generally connected by a cable and locked by a screw, so that unsafe factors such as power failure and ignition of the joint can be caused once the screw is loosened.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, and provides a connecting structure for a vehicle-mounted power battery.
The technical problem of the invention is mainly solved by the following technical scheme:
the invention discloses a connecting structure for a vehicle-mounted power battery, which comprises:
the conductive sleeve is internally provided with one or more elastic conductive pieces;
the conductive core comprises a core barrel and a conductive core body in the core barrel;
the core body and the conductive sleeve are separately sleeved, and the core body is contacted with the elastic conductive piece when sleeved.
As a preferred embodiment of the present invention, when the core is sleeved with the conductive sleeve, the elastic conductive member is clamped by the outer wall of the core and the inner wall of the conductive sleeve.
As a preferred embodiment of the present invention, the inner wall of the conductive sleeve is provided with one or more conductive ring grooves, the elastic conductive member is disposed in the conductive ring grooves, and the elastic conductive member is in interference fit with the conductive ring grooves.
In a preferred embodiment of the present invention, the elastic conductive member is an annular conductive spring.
As a preferred embodiment of the present invention, the conductive sleeve includes a sleeve, the sleeve includes a sleeve, and the inner walls of two ends of the sleeve are respectively provided with one or more elastic conductive members.
As a preferred embodiment of the present invention, the inner wall of the conductive sleeve is provided with at least one first sealing ring groove, the first sealing ring groove is arranged between the elastic conductive member and the opening of the conductive sleeve sleeved core, and a first sealing ring is arranged in the first sealing ring groove.
As a preferred embodiment of the invention, the outer wall of the middle position of the sleeve is also provided with an annular limiting ring.
As a preferred embodiment of the present invention, the core includes a first core and second cores at two ends of the first core, the diameter of the second core is smaller than that of the first core, the diameter of the first core is adapted to the inner diameter of the cylinder body of the core cylinder, and the second core is connected to the sleeve of the conductive sleeve in a sleeved manner.
As a preferred embodiment of the present invention, the core barrel includes a barrel body, and the inner walls of the two ends of the barrel body and the outer wall of the second core body are respectively provided with at least one second sealing ring.
As a preferred embodiment of the present invention, a second sealing ring groove is formed in the inner wall of the cylinder at the junction of the first core and the second core, protrusions are formed on the inner wall of the cylinder at both ends of the second sealing ring groove, and the second sealing ring is limited in the second sealing ring groove.
The connecting structure for the vehicle-mounted power battery has the following advantages: due to the elasticity of the conductive spring, even under a bumpy environment, the core body and the conductive spring slide relatively, the electric connection of two adjacent conductive cores cannot be influenced, the phenomena of power failure, ignition and the like cannot occur, and the connection is reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a connection structure for a vehicle-mounted power battery of the invention;
fig. 2 is an exploded perspective view of the connection structure for the vehicle-mounted power battery in fig. 1;
fig. 3 is a perspective view of the connection structure for the vehicle-mounted power battery in fig. 1, from another perspective;
FIG. 4 is a sectional view of the connection structure for the vehicle-mounted power battery of FIG. 3 taken along line A-A;
fig. 5 is a schematic perspective view of the conductive sleeve of the connection structure for the vehicle-mounted power battery in fig. 2;
FIG. 6 is an exploded perspective view of the conductive sleeve of FIG. 5;
FIG. 7 is a schematic perspective view of the conductive sleeve of FIG. 5, taken from another perspective;
FIG. 8 is a cross-sectional view of the conductive sleeve of FIG. 7 taken along line B-B;
FIG. 9 is a perspective view of the sleeve of the conductive sleeve of FIG. 5;
FIG. 10 is a cross-sectional view of the sleeve of FIG. 9 taken along line C-C;
fig. 11 is a perspective view schematically illustrating a conductive core of the connection structure for the vehicle-mounted power battery of fig. 2;
FIG. 12 is an exploded perspective view of the conductive core of FIG. 11;
FIG. 13 is a perspective view of the conductive core of FIG. 11, from another perspective;
FIG. 14 is a cross-sectional view of the conductive core of FIG. 13 taken along line D-D;
FIG. 15 is a perspective view of a core barrel of the conductive core of FIG. 12;
FIG. 16 is a cross-sectional view of the cartridge of FIG. 15 taken along line E-E;
wherein,
1. the connecting structure is used for a vehicle-mounted power battery; 2. a sleeve; 21. a sleeve; 22. a limiting ring; 23. a conductive ring groove; 24. a first seal ring groove; 3. a conductive spring; 4. a first seal ring; 5. a core barrel; 51. a barrel; 52. a second seal ring groove; 53. a card interface; 6. a core body; 61. a first core; 62. a second core; 7. a second seal ring; m, a conductive sleeve; n, a conductive core.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1 to 4, the connection structure 1 for the vehicle-mounted power battery includes a conductive sleeve M and a conductive core N, wherein the conductive core N is connected with the conductive sleeve M in an inserting manner, and two conductive cores N and one conductive sleeve M are taken as an example and will be described in detail later.
As shown in fig. 5 to 10, the conductive sleeve M includes a sleeve 2, the sleeve 2 includes a tubular sleeve 21, an annular limiting ring 22 is disposed in the middle of the outer wall of the sleeve 21, a conductive ring groove array composed of annular conductive ring grooves 23 and a first sealing ring groove array composed of annular first sealing ring grooves 24 are respectively disposed at two ends of the inner wall of the sleeve 21, a separable annular conductive spring 3 is respectively disposed in the conductive ring grooves 23, and a separable annular first sealing ring 4 is respectively disposed in the first sealing ring grooves 24. The conductive spring and the conductive ring groove are preferably in interference fit, and the first sealing ring groove are preferably in interference fit.
As shown in fig. 1 to 16, the conductive core N includes a core cylinder 5 and a core 6, the core cylinder 5 includes a cylindrical cylinder body 51, two ends of an inner wall of the cylinder body 51 are respectively provided with a second sealing ring groove array composed of annular second sealing ring grooves 52, the second sealing ring grooves 52 are respectively provided with a separable second sealing ring 7, the core 6 includes a cylindrical first core 61, two ends of the first core 61 are respectively provided with a cylindrical second core 62, the diameter of the second core 62 is smaller than that of the first core 61, the diameter of the first core 61 is adapted to the inner diameter of the cylinder body 51, and the diameter of the second core 62 is adapted to the inner diameter of the second sealing ring 7. The two ends of the barrel 51 are respectively provided with a trumpet-shaped clamping interface 53, which is convenient for the insertion operation of the core body 6 and the conductive sleeve 21. The second seal ring is preferably in interference fit with the second seal ring groove and is preferably in interference fit with the second core body.
How this connection structure is used will be described below.
As shown in fig. 3 and 4, a conductive sleeve M is placed between two connected conductive cores N, and the core 6 is directly inserted into the corresponding sleeve 21, so that the second core 62 of the core 6 is in close contact with the pair of conductive springs 3, and the first sealing ring 4 and the second sealing ring 7 form a double sealing structure. The inner diameter and the outer diameter of the conductive spring 3 are in interference fit with the inner wall of the sleeve 21 and the outer wall of the second core body 62 respectively, so that the assembled conductive spring 3 is clamped tightly; the inner diameter and the outer diameter of the first sealing ring 4 are in interference fit with the inner wall of the sleeve 21 and the outer wall of the second core body 62 respectively, so that the assembled first sealing ring 4 is clamped tightly; the inner diameter and the outer diameter of the second sealing ring 7 are in interference fit with the outer wall of the second core body 62 and the inner wall of the cylinder body 51 respectively, so that the assembled second sealing ring 7 is clamped tightly. After assembly, the two ends of the limiting ring are respectively abutted by the end parts of the two core cylinders. On the other hand, as shown in fig. 14 and 16, the second ring groove 52 has protrusions on the inner wall of the cylinder 51 at both ends thereof, so that the front and rear ends of the second sealing ring 7 are retained in the second ring groove 52, and the advantages include: the outer end is limited, so that the end edge convex ring formed by the first core body 61 being wider than the second core body 62 is resisted, the core body 6 is axially limited in the core cylinder 5, and a certain axial buffering displacement is provided; first core 61 and barrel 51 are clearance fit preferably, utilize second sealing washer 7 just can realize core 6 certain radial buffering displacement in core section of thick bamboo 5, at the in-process of conductive sleeve and conductive core assembly, can also realize cup jointing under the condition that both do not aim at completely, certainly conductive sleeve and conductive core preferably can set up the inclined plane joint mouth at the interface that cup joints mutually, like joint mouth 53 in fig. 16. In other embodiments, the first core may also be in an interference fit with the cartridge to limit position.
The conductive sleeve, the core body and the conductive spring of the embodiment are made of conductive materials, and the core bodies of the two conductive cores can be electrically connected through the conductive springs at the two ends of the conductive sleeve. The conductive spring 3 of the present embodiment is configured to have elasticity, and is preferably configured to be an annular structure (the conductive coil is wound along an annular path) formed by winding the conductive coil, and the conductive coil forms an annular hollow channel, so that the conductive coil can be compressed and deformed when being subjected to an external force, and even if the core body 6 and the conductive spring 3 slide relatively in a bumpy environment, the electrical connection of two adjacent conductive cores N is not affected, the axial and radial following properties of the two conductive cores N are improved, the phenomena of power failure, ignition and the like are not generated, and the connection is reliable.
It should be noted that the number of the first sealing ring 4, the second sealing ring 7 and the conductive spring 3 can be increased or decreased according to the need, and the array in this embodiment refers to an array formed by two or more related components arranged in parallel, as shown in fig. 6 and 8. The whole structure and the internal detail structure of the conductive sleeve and the conductive core are not limited to a round structure, and can also be structures such as a square structure, and at the moment, the detail structures such as the conductive spring can be square ring-shaped structures. The conductive spring 3 is not limited to a ring-shaped spring structure, and other elastic conductive elements may be used, such as an elongated spring strip disposed on the inner wall of the sleeve 21, or a plurality of sets of elastic conductive balls disposed on the inner wall of the sleeve 21. In short, it is sufficient if the conductive member can be kept in elastic close contact with the core 6.
The sleeve and the core body in the embodiment can be made of copper, the first sealing ring and the second sealing ring can be made of rubber, and the conductive spring can be a silver-plated spring.
The connection structure of the present embodiment may be used for electrical connection between two battery module cases composed of battery cells, and may also be used for electrical connection of other structures in a battery box.
Without being limited thereto, any changes or substitutions that are not thought of through the inventive work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. A connection structure (1) for a vehicle-mounted power battery, comprising:
a conductive sleeve (M) in which one or more elastic conductive members (3) are disposed;
a conductive core (N) comprising a core barrel (5) and a conductive core body (6) within the core barrel;
the core body (6) and the conductive sleeve (M) are separately sleeved, and the core body (6) is contacted with the elastic conductive piece (3) when sleeved.
2. The connection structure (1) for vehicle-mounted power batteries according to claim 1, characterized in that the elastic conductive member (3) is clamped by the outer wall of the core (6) and the inner wall of the conductive sleeve (M) when the core (6) is sleeved with the conductive sleeve (M).
3. The connection structure (1) for vehicle-mounted power batteries according to claim 2, characterized in that the inner wall of the conductive sleeve (M) is provided with one or more conductive ring grooves (23), the elastic conductive member (3) is arranged in the conductive ring groove (23), and the elastic conductive member (3) is in interference fit with the conductive ring groove (23).
4. The connection structure (1) for a vehicle-mounted power battery according to any one of claims 1 to 3,
the electric conduction device is characterized in that the elastic electric conduction piece (3) is an annular electric conduction spring.
5. The connection structure (1) for a vehicle-mounted power battery according to any one of claims 1 to 3,
the conductive sleeve (M) is characterized by comprising a sleeve (2), wherein the sleeve (2) comprises a sleeve (21), and one or more elastic conductive pieces (3) are respectively arranged on the inner walls of two ends of the sleeve (21).
6. The connection structure (1) for vehicle power batteries according to claim 5, characterized in that the inner wall of the conductive sleeve (M) is provided with at least one first sealing ring groove (24), the first sealing ring groove (24) being provided between the elastic conductive member (3) and the opening of the conductive sleeve (M) sleeved core (6), a first sealing ring (4) being provided in the first sealing ring groove (24).
7. The connection structure (1) for vehicle-mounted power batteries according to claim 5, characterized in that the outer wall of the sleeve (21) at the middle position is further provided with an annular limiting ring (22).
8. The connection structure (1) for a vehicle-mounted power battery according to claim 6 or 7, characterized in that the core (6) includes a first core (61) and second cores (62) at both ends thereof,
the diameter of the second core body (62) is smaller than that of the first core body (61), the diameter of the first core body is matched with the inner diameter of the cylinder body (51) of the core cylinder (5), and the second core body (62) is connected with the sleeve (21) of the conductive sleeve (M) in a sleeved mode.
9. The connection structure (1) for a vehicle power battery according to claim 8, characterized in that the cartridge (5) comprises a cylinder (51), and the inner walls of the two ends of the cylinder (51) and the outer wall of the second core (62) are respectively provided with at least one second sealing ring (7).
10. The connection structure (1) for the vehicle-mounted power battery according to claim 9, wherein a second sealing ring groove (52) is formed in the inner wall of the cylinder body (51) at the junction of the first core body (61) and the second core body (62), protrusions of the inner wall of the cylinder body (51) are arranged at two ends of the second sealing ring groove (52), and the second sealing ring (7) is limited in the second sealing ring groove (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030444.5A CN106450123B (en) | 2016-11-16 | 2016-11-16 | Connection structure for vehicle-mounted power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030444.5A CN106450123B (en) | 2016-11-16 | 2016-11-16 | Connection structure for vehicle-mounted power battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106450123A true CN106450123A (en) | 2017-02-22 |
| CN106450123B CN106450123B (en) | 2023-04-25 |
Family
ID=58221487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611030444.5A Active CN106450123B (en) | 2016-11-16 | 2016-11-16 | Connection structure for vehicle-mounted power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106450123B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258459A (en) * | 2017-12-13 | 2018-07-06 | 太原航空仪表有限公司 | A kind of high temperature resistant minor diameter insulation switching |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002190314A (en) * | 2000-12-20 | 2002-07-05 | Nissan Motor Co Ltd | Battery |
| JP2005235714A (en) * | 2004-02-23 | 2005-09-02 | Railway Technical Res Inst | Conductive structure |
| CN101185207A (en) * | 2005-05-25 | 2008-05-21 | 爱尔科富士科罗公司 | Canted coil spring power terminal and sequence connection system |
| CN201340911Y (en) * | 2009-01-20 | 2009-11-04 | 江苏大全封闭母线有限公司 | Sensing-finger type tubular bus connector |
| WO2013156470A1 (en) * | 2012-04-19 | 2013-10-24 | Weidmüller Interface GmbH & Co. KG | Insertion aid and electrical connection device |
| US20150087182A1 (en) * | 2012-12-07 | 2015-03-26 | Tyco Electronics Corporation | Power terminal connector |
| CN206236736U (en) * | 2016-11-16 | 2017-06-09 | 上海电巴新能源科技有限公司 | For the attachment structure of vehicle mounted dynamic battery |
-
2016
- 2016-11-16 CN CN201611030444.5A patent/CN106450123B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002190314A (en) * | 2000-12-20 | 2002-07-05 | Nissan Motor Co Ltd | Battery |
| JP2005235714A (en) * | 2004-02-23 | 2005-09-02 | Railway Technical Res Inst | Conductive structure |
| CN101185207A (en) * | 2005-05-25 | 2008-05-21 | 爱尔科富士科罗公司 | Canted coil spring power terminal and sequence connection system |
| CN201340911Y (en) * | 2009-01-20 | 2009-11-04 | 江苏大全封闭母线有限公司 | Sensing-finger type tubular bus connector |
| WO2013156470A1 (en) * | 2012-04-19 | 2013-10-24 | Weidmüller Interface GmbH & Co. KG | Insertion aid and electrical connection device |
| US20150087182A1 (en) * | 2012-12-07 | 2015-03-26 | Tyco Electronics Corporation | Power terminal connector |
| CN206236736U (en) * | 2016-11-16 | 2017-06-09 | 上海电巴新能源科技有限公司 | For the attachment structure of vehicle mounted dynamic battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258459A (en) * | 2017-12-13 | 2018-07-06 | 太原航空仪表有限公司 | A kind of high temperature resistant minor diameter insulation switching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106450123B (en) | 2023-04-25 |
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Effective date of registration: 20170613 Address after: 201306, Shanghai, Pudong New Area mud town, Jiangshan Road, No. 2, 4766, 2 Applicant after: AULTON NEW ENERGY AUTOMOTIVE TECHNOLOGY Group Applicant after: Shanghai Dianba New Energy Technology Co.,Ltd. Address before: 201306 room C2279, building No. 2, Xincheng Road, mud town, Shanghai, Pudong New Area, China, 24 Applicant before: Shanghai Dianba New Energy Technology Co.,Ltd. |
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